One of two alum barges on Grand Lake returns to the state park office near St. Marys on Thursday morning. A whole-lake treatment of alum to stave off blue-green algae blooms is underway. The dredge Brutus is pictured in the background.

GRAND LAKE - A $5 million alum application on Grand Lake to stifle blue-green algae blooms is on schedule despite recent windy conditions.
"As of today, they are about 60 percent complete, and they lost about four days to wind, . . .